Optimizing the performance of cold-neutron tomography for investigating annular flows and functional spacers in fuel rod bundles

Robert Zboray; Horst Michael Prasser

doi:10.1016/j.nucengdes.2013.03.026

Optimizing the performance of cold-neutron tomography for investigating annular flows and functional spacers in fuel rod bundles

Robert Zboray, Horst Michael Prasser

Research output: Contribution to journal › Article › peer-review

11 Scopus citations

Abstract

In a previous study we used cold-neutron imaging to examine annular flows and the influence of functional spacers on such flows in a fuel bundle model. Investigating adiabatic, air-water annular flows in a scaled-up model of two neighboring subchannels of a BWR fuel assembly, we have shown that cold-neutron tomography is a promising tool to study such flows in nuclear fuel bundles. Here we try to optimize the performance of the method and examine the influence of certain parameters and modalities of the imaging on the quality and accuracy of the results.

Original language	English (US)
Pages (from-to)	188-203
Number of pages	16
Journal	Nuclear Engineering and Design
Volume	260
DOIs	https://doi.org/10.1016/j.nucengdes.2013.03.026
State	Published - Apr 29 2013

All Science Journal Classification (ASJC) codes

Nuclear and High Energy Physics
Nuclear Energy and Engineering
General Materials Science
Safety, Risk, Reliability and Quality
Waste Management and Disposal
Mechanical Engineering

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10.1016/j.nucengdes.2013.03.026

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abstract = "In a previous study we used cold-neutron imaging to examine annular flows and the influence of functional spacers on such flows in a fuel bundle model. Investigating adiabatic, air-water annular flows in a scaled-up model of two neighboring subchannels of a BWR fuel assembly, we have shown that cold-neutron tomography is a promising tool to study such flows in nuclear fuel bundles. Here we try to optimize the performance of the method and examine the influence of certain parameters and modalities of the imaging on the quality and accuracy of the results.",

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AB - In a previous study we used cold-neutron imaging to examine annular flows and the influence of functional spacers on such flows in a fuel bundle model. Investigating adiabatic, air-water annular flows in a scaled-up model of two neighboring subchannels of a BWR fuel assembly, we have shown that cold-neutron tomography is a promising tool to study such flows in nuclear fuel bundles. Here we try to optimize the performance of the method and examine the influence of certain parameters and modalities of the imaging on the quality and accuracy of the results.

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JO - Nuclear Engineering and Design

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Optimizing the performance of cold-neutron tomography for investigating annular flows and functional spacers in fuel rod bundles

Abstract

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